.hub-hero { background: linear-gradient(135deg, #6b21a8 0%, #3b0764 100%); color: #ffffff; padding: 32px 28px; border-radius: 12px; margin-bottom: 28px; box-shadow: 0 10px 25px -5px rgba(107,33,168,0.25); }
.hub-hero h1 { color: #ffffff !important; margin: 0 0 12px 0; font-size: 28px; }
.hub-tag { display: inline-block; background: rgba(255,255,255,0.18); padding: 4px 12px; border-radius: 20px; font-size: 13px; font-weight: 600; margin-bottom: 12px; color: #e9d5ff; }
.ch-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; margin: 24px 0 36px 0; }
.ch-card { background: #ffffff; border: 1.5px solid #e2e8f0; border-radius: 10px; padding: 20px; display: flex; flex-direction: column; justify-content: space-between; box-shadow: 0 2px 6px rgba(0,0,0,0.03); }
.ch-card:hover { border-color: #9333ea; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(147,51,234,0.12); }
.ch-num { font-size: 12px; font-weight: 700; color: #9333ea; text-transform: uppercase; }
.ch-tit { font-size: 18px; font-weight: 700; color: #0f172a; margin: 6px 0 10px 0; }
.ch-desc { font-size: 14px; color: #64748b; margin-bottom: 16px; line-height: 1.5; }
.ch-link { display: inline-flex; align-items: center; justify-content: center; background: #9333ea; color: #ffffff !important; font-weight: 600; font-size: 14px; padding: 8px 16px; border-radius: 6px; text-decoration: none; }
.ch-link:hover { background: #7e22ce; }

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